hexo-theme-keep/source/css/common/code-block/code-block-tools.styl

disable-user-select() {
  -moz-user-select none
  -ms-user-select none
  -webkit-user-select none
  user-select none
}

.highlight-container {
  position relative
  box-sizing border-box
  margin 1.4rem 0

  .code-tools-box {
    box-sizing border-box
    width 100%
    background var(--fourth-text-color)
    border-top-left-radius 0.3rem
    border-top-right-radius 0.3rem
    display flex
    justify-content space-between
    align-items center
    padding 0.3rem 0.6rem 0.3rem 0.4rem

    &.folded {
      border-bottom-left-radius 0.3rem
      border-bottom-right-radius 0.3rem
    }

    .code-lang {
      margin-left 0.2rem
      font-size 0.9rem
      font-weight 600
      font-family "Source Code Pro", consolas, Menlo
      color var(--default-text-color)
      justify-content flex-start
    }

    .tool {
      disable-user-select()
      cursor pointer

      i {
        color var(--second-text-color)
        font-size 0.8rem
      }
    }


    .fold {
      font-weight bold
      padding 0 0.4rem 0 0.2rem
    }

  }


  figure.highlight {
    margin 0

    &.folded {
      height 0
    }
  }


  if (hexo-config('code_block_tools.style') == 'mac' || hexo-config('code_copy.style') == 'mac') {
    margin 1.4rem 0 1.8rem 0
    box-shadow 0 0.8rem 2rem 0 rgba(0, 0, 0, .4)

    &:hover {
      .code-tools-box .copy {
        opacity 1
      }
    }

    .code-tools-box {
      justify-content flex-end
      background #21252b
      padding 0.4rem 0.6rem 0.7rem 0.4rem

      &::before {
        position absolute
        content ''
        width 0.8rem
        height 0.8rem
        left 0.8rem
        background #fc625d
        border-radius 50%
        box-shadow 1.4rem 0 #fdbc40, 2.8rem 0 #35cd4b
      }

      &.folded {
        border-bottom-left-radius 0
        border-bottom-right-radius 0

        .copy {
          display none
        }
      }

      .code-lang {
        order 1
        color #bbb
      }

      .fold {
        order 2
        padding 0 0.1rem 0 0.6rem
        i {
          color #ccc
        }
      }


      .copy {
        position absolute
        bottom 0.3rem
        right 0.5rem
        padding 0 0.1rem
        font-weight bold
        opacity 0
        transition-t("opacity", "0", "0.2", "ease-in-out")

        i {
          font-size 1rem
        }

      }

    }

  }

}